Fig. 15
From: Updated WHO nomenclature of head and neck lesions and associated imaging findings
Various tumor-like lesions of the head and neck. Axial CT image (a) shows a midline anterior neck thyroglossal duct cyst. Axial CT image (b) shows an infected left neck branchial cleft cyst with surrounding inflammation and a distended sinus (arrow) that extends towards the hypopharynx. Axial CT image (c) shows a ruptured fat attenuation dermoid in the left lateral periorbital region with surrounding inflammation. Axial fat-suppressed T2-weighted MRI (d) shows a midline oral cavity foregut duplication cyst. Axial fat-suppressed T2-weighted MRI (e) shows a cystadenocarcinoma of the left sublingual region (arrow) associated with a ranula